Graphic user interface for a display screen



FIG. 1 is a front view of a graphical user interface for a display screen in an embodiment of the present invention;

FIG. 2 is a second front view thereof, shown with different unclaimed portions; and,

FIG. 3 is third front view thereof, shown with additional different unclaimed portions.

The broken line showing of the border of a display screen and various regions in all the figures and the broken line showing of patterns, pictures, characters, and symbols therein in FIGS. 2-3 are for the purpose of illustrating unclaimed portions of the graphic user interface for a display screen and form no part of the claimed design. 

The ornamental design for a graphic user interface for a display screen, as shown and described. 